<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <style>
    div {
      margin-bottom: 20px;
    }
    div:nth-child(1) {
      border-top: 1px solid #000;
    }

    div:nth-child(2) {
      border-top: .5px solid #000;
    }

    div:nth-child(3) {
      height: 10px;
      box-shadow: 0 -.5px 0 0;
    }
    
    div:nth-child(4) {
      position: relative;
      height: 10px
    }
    div:nth-child(4)::after {
      content: "";
      height: 1px;
      transform: scaleY(.5);
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      background: #000;

    }
    
    div:nth-child(5) {
      position: relative;
    }
    div:nth-child(5)::after {
      content: "";
      height: .5px;
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      background: #000;
      
    }
  </style>
</head>
<body>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>

</body>
</html>